As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION OF THE STRINGER 4L SKIN LAP SPLICE YIELDED CRACK INDICATIONS. INTERNAL MFEC INSPECTION CONFIRMED A CRACK IN THE LOWER FASTENER ROW OF THE LOWER SKIN PANEL AT FS 383 & 384. THE CRACKED AREA WAS ROUTED OUT AND A REPAIR DOUBLER AND STRUCTURAL FILLER INSTALLED PER B727 SRM 53-30-3, FIG. 5 AND ER/A 380513-14AD.